New package: py-ecdsa (#12598)

var/spack/repos/builtin/packages/py-ecdsa/package.py

@@ -0,0 +1,20 @@
+# Copyright 2013-2019 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack import *
+
+
+class PyEcdsa(PythonPackage):
+    """ECDSA cryptographic signature library (pure python)"""
+
+    homepage = "https://github.com/warner/python-ecdsa"
+    url      = "https://files.pythonhosted.org/packages/source/e/ecdsa/ecdsa-0.13.2.tar.gz"
+
+    version('0.13.2', sha256='5c034ffa23413ac923541ceb3ac14ec15a0d2530690413bff58c12b80e56d884')
+
+    depends_on('py-setuptools', type='build')
+    depends_on('py-six',        type=('build', 'run'))
+    depends_on('python@2.6:2.8,3.3:', type=('build', 'run'))
+    depends_on('openssl',       type='test')